Cov cellulose muaj cov neeg muaj kev hais ua yog chav kawm ntawm cov polymer cov tebchaw tau los ntawm kev hloov kho cov tshuaj kho ntuj ntuj. Nws yog feem ntau synthesized los ntawm reacting cellulose (li polysaccharides los ntawm cov nroj tsuag) nrog chloromethyl, etcy, thiab lwm yam. Cellulose Cov neeg muaj kev hais ua zoo ua solubility, ruaj khov thiab ua yeeb yaj kiab kev tsim kho, thiab kev lag luam tshuaj, khoom noj muaj txiaj ntsig, thiab lwm yam.
1. Kev lag luam kev tsim kho
Hauv kev tsim kho kev tsim kho, cov cellulose cov neeg ua haujlwm feem ntau siv nyob rau hauv kev ua haujlwm hauv tsev xws li cov cement, thiab cov tshuaj ntxiv kom zoo dua los txhim kho kev tsim kho cov ntaub ntawv. Cov haujlwm tshwj xeeb suav nrog:
Thickening nyhuv: cellulose muaj kev hais ua ke tuaj yeem txhim kho cov rhasology ntawm cov khoom siv tshuaj pleev ib ce, uas yuav tsum muaj kev tiv thaiv ntau dua cov ntaub ntawv stratification thiab sedimentation.
Dej khaws cia: Cov neeg muaj kev hais ua cellulose tuaj yeem ua kom cov dej huv si, ua kom pom kev zoo thiab ua kom muaj kev ruaj ntseg ntawm cov qauv kawg.
Txhim kho cov khoom sib xyaw ua ke: hauv cov nplaum sib xyaw ua ke thiab cov nplaum cellulose tuaj yeem txhim kho cov khoom lag luam zoo ntawm cov khoom siv txheej thiab lub zog ua kom muaj zog dua.
Kho cov flucity: los ntawm kho cov concentration cov neeg muaj kev hais ua ke, tso cai rau cov neeg ua haujlwm tsim kho kom yooj yim ua haujlwm xws li smearing thiab plastering.
2. Kev lag luam khoom noj khoom haus
Cov neeg hais txog cellulose tau siv dav hauv kev lag luam khoom noj khoom haus, tshwj xeeb yog cov khoom xyaw thiab lwm yam khoom xyaw, thiab siv tau dav hauv kev ua zaub mov noj thiab kev npaj ua khoom noj. Nws lub ntsiab ua haujlwm suav nrog:
Thickening cov nyhuv: cellulose muaj kev hais txog feem ntau siv raws li cov thickeners txhim kho cov qauv thiab saj ntawm cov khoom noj. Nws tuaj yeem muaj cov nyhuv zoo rau hauv cov zaub mov xws li jelly, kua zaub, zaub xam lav, kom ua tau zoo thiab muaj txiaj ntsig ntawm cov zaub mov.
Emulsification thiab stabilization nyhuv: hauv qee cov khoom siv mis nyuj, khov kho cov txheej txheem roj, kom tiv thaiv kev sib cais roj, thiab ua kom thaiv cov txheej emulsion.
Txhim kho cov zaub mov kev ntxhib los mos: Hauv qee cov khoom noj yooj yim, ua kom muaj kev hais kom zoo, ua rau lawv muaj kev hais kom zoo thiab du, thiab nce qhov qab ntxiag ntawm lub saj.
3. Cov tshuaj pleev ib ce thiab cov tshuaj txhua hnub
Cellulose hais tias kev hais ua ke tseem ua lub luag haujlwm tseem ceeb hauv cov tshuaj pleev ib ce. Lawv feem ntau siv hauv cov khoom lag luam xws li cov tshuaj pleev ntsej muag, tshuaj ntxuav ntsej muag, cov tshuaj ntxuav hniav ntsej muag, thiab ua si ntau yam xws li thickening, ruaj khov:
Thickening cov nyhuv: hauv tshuaj pleev ib ce xws li lub ntsej muag cream thiab muaj cov tshuaj muaj cov neeg hais ua kom muaj kev pab thiab siv cov kev paub zoo thiab siv cov kev paub zoo.
Cov nyhuv noo: cov neeg hais ua haujlwm cellulose tuaj yeem ua cov yeeb yaj kiab tiv thaiv kom tiv thaiv cov dej evaporation thiab ua kom cov tawv nqaij noo. Yog li ntawd, lawv feem ntau siv hauv cov khoom tu tawv nqaij kom txhim kho cov nyhuv yahuab.
Cov qauv sib zog: nws tseem tuaj yeem pab ua kom cov tshuaj pleev ib ce nyob ruaj khov, tiv thaiv kev tawm tsam lossis nag lossis daus, thiab kev ua haujlwm zoo, thiab cov khoom lag luam zoo.
4. Kev lag luam kws tshuaj
Daim ntawv thov ntawm cellulose ether hauv kev lag luam kws tshuaj kuj tseem nce, feem ntau yog ua kom muaj zog, stabilizer thiab tso tawm tso tawm tshuaj rau cov tshuaj:
Tshuaj Nrog Yeeb Tshuaj: Eetle Cellulose tuaj yeem tswj tau cov tshuaj sib txuas los ntawm kev ua kom zoo nkauj ntawm cov tshuaj hauv lub cev, tshwj xeeb tshaj yog cov kev npaj ua kom tiav, tshwj xeeb tshaj yog kev ua haujlwm.
Npaj ruaj khov: Hauv kev npaj cov tshuaj, ether ether yuav pab txhim kho cov tshuaj muaj kev ruaj ntseg, yog li kev txhim kho cov tshuaj muaj txiaj ntsig.
Adhesion: hauv kev npaj ntawm qhov ncauj lossis cov tshuaj pleev ether li kev zam txim siab tuaj yeem txhim kho cov tshuaj nplaum hauv lub cev lossis hauv qhov chaw thiab txhim kho kev ua tau zoo.
5. Lwm daim teb
Ntxiv nrog rau cov teb chaws saum toj no, cellulose ether kuj tseem siv ntau lwm yam kev lag luam, xws li:
Textile kev lag luam: Cellulose ether tuaj yeem siv rau hauv cov ntawv luam ntawv thiab dyeing txheej txheem thiab ruaj khov ntawm kev luam ntawv thiab zas thiab txhim kho cov khoom lag luam zoo.
Cov txheej txheem tiv thaiv ib puag ncig: Hauv cov txheej txheem dej phwj teb, ether ether yog siv los pab tshem tawm cov teeb meem raug tshem tawm thiab tsis txaus hauv dej.
Kev siv tshuaj tua kab: cellulose ether tuaj yeem siv los txhim kho cov tshuaj tsuag tshuaj tua kab mob thiab kom cov kev sib raug zoo ntawm kev faib tshuaj tua kab mob.
Cellulose ether tau dhau los ua kev lag luam tseem ceeb ntxiv rau hauv ntau solubility vim nws txoj kev tiv thaiv zoo, muaj kev nyab xeeb thiab ib puag ncig kev tiv thaiv thiab ib puag ncig. Hauv kev tsim kho, zaub mov, tshuaj kho mob, tshuaj thiab lwm yam kev lag luam ether tsuas yog txhim kho cov neeg siv kev kawm thiab txhawb nqa kev txhim kho kev lag luam ntsig txog. Nrog kev nce qib nro ntawm science thiab thev naus laus zis, yuav tsum muab cov kev cia siab rau cov cellule ethertive, thiab nws muaj peev xwm qhia tau nws cov ntawv thov loj heev nyob rau yav tom ntej.
Lub Sijhawm Post: Feb-14-2025